Introducing the Bafang Mid-Drive Motor Conversion Kit! Are you ready to transform your bike into a powerful and efficient electric machine? Look no further than the Bafang Mid-Drive Motor Conversion Kit. This kit allows you to effortlessly convert your regular bike into an electric bike, giving you the best of both worlds. The Bafang mid-drive motor delivers exceptional power and torque, making your rides smoother and more enjoyable. Whether you’re conquering steep hills or cruising along flat roads, this motor will provide the boost you need. Installing the Bafang mid-drive motor is a breeze. With the included tools and instructions, you’ll have your bike converted in no time. Simply remove the crankset and center shaft, and install the motor in their place. It’s that simple! This conversion kit is compatible with a wide range of bike types, including mountain bikes, road bikes, and even racing bikes. It fits bikes with a bottom bracket size of 68-73mm, and 34-36mm (internal diameter) JIS standard bottom bracket ensuring a perfect fit for most standard bikes. We do not recommend to mount it on bikes with costaer brakes. Enjoy the flexibility of choosing between four different riding modes. Whether you prefer pure electric mode, human riding mode, power assistance, or push mode, this kit has you covered. Switch between modes effortlessly to suit your riding style and needs. We stand behind the quality of our products. In case of any quality issues, we offer free repair or replacement. Experience the joy of riding with the Bafang Mid-Drive Motor Conversion Kit. Enhance your cycling experience, conquer challenging terrains, and enjoy the thrill of electric-assisted biking. Get your kit today and start exploring a whole new world of possibilities! 48V20Ah Hailong Max Battery Specification: (Please check the size before you place this battery). Battery Cell:Built in LG / Samsung 21700 5000mah. Array mode:13S4P 52PCS. Battery Weight:5.0KG. Charge voltage: 54.6V. Discharge cut off voltage:36.4V. Way of Charge:CC/CV. Cycle Life:1000 times. Protection Function:Over charge, Over discharge, Over current, Short circuit, Balance. 1 48V1000W motor 68mm. 1 Battery (If you order it together). 1 1T4 EB-BUS cable. 1 Basic installation tools. Q: Which bike can use this motor kit? A: The motor kit can be used with bikes that have a bottom bracket width of 68-73mm. Q: What voltage battery should be used with this motor? A: A 48V battery should be used with this motor. Please note that the kit does not include a battery. However, we offer a wide range of compatible batteries, allowing you to choose the one that best suits your needs.